1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
svetlana [45]
3 years ago
10

Which of these assumptions is Ptolemy's model of planetary motion based on?

Physics
2 answers:
Paladinen [302]3 years ago
7 0
<span>The sun moves around the earth.
</span>Ptolemy's model, also known as the geocentric model, assumed that Earth was at the center of the solar system and all other celestial bodies, including the Sun, revolved around it.
ozzi3 years ago
3 0

Answer:

The sun moves around the earth.        

Explanation:

According to Ptolemy, all the planets, moons, along with the Sun and other stars move around the Earth. The Earth is at the center of the universe. This model of planetary motion is based on the assumption  that the sun moves around the Earth. He accounted for the apparent motion of planets by epicycle. .

You might be interested in
What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d
kirill [66]

the answer is D. mass

3 0
3 years ago
Whose famous conjecture is paraphrased as "space, time, and matter"?
GaryK [48]

The person who came up with this conjecture was Albert Einstein

7 0
3 years ago
Read 2 more answers
Recall the raisin cake model of the universe. Our universe is expanding between the galaxies. You measure the recession velocity
Rina8888 [55]

Explanation:

Recession velocity of a galaxy is related to the distance at which the galaxy is located. This relationship is given by the hubble constant, as follows:

v_r=HD

Hubble constant is aproximate 70\frac{km/s}{Mpc} and 1 megaparsec (Mpc) is 3.26*10^6 light years. Rewriting for D:

D=\frac{v_r}{H}

For galaxy A:

D=\frac{2000\frac{km}{s}}{70\frac{km/s}{Mpc}}\\\\D=28.57Mpc\\\\D=28.57Mpc*\frac{3.26*10^6ly}{1Mpc}=9.31*10^7ly

For galaxy B:

D=\frac{6000\frac{km}{s}}{70\frac{km/s}{Mpc}}\\\\D=85.71Mpc\\\\D=85.71Mpc*\frac{3.26*10^6ly}{1Mpc}=2.79*10^8ly

5 0
3 years ago
The additional product of the nuclear fission reaction shown in the
Arada [10]
The answer to your question is C.
8 0
4 years ago
Which of these BEST describes why an ionic solution is a good conductor of electricity while a covalent solution is a poor condu
Scrat [10]
The correct answer is:
<span>B) Ionic compounds form charged particles in solution, and electricity will only flow if charged particles are present. 

In fact, in ionic compounds ions (which are charged atoms/molecules) are present in the solution, and these free charges can carry the electricity through the solution. Viceversa, in covalent compounds the valence electrons of the atoms are bound togethere between two atoms, so there are no free charges in the solution and electricity cannot flow.</span>
6 0
3 years ago
Read 2 more answers
Other questions:
  • If the emf of the battery is 12 v and each resistance is 4 ω, what power is consumed by bulb b?
    14·1 answer
  • When cleaning up a local beach, students found many different particles that were in the water that affected the shoreline, like
    9·1 answer
  • Which of these forces could slow a moving baseball down?
    9·2 answers
  • Trina makes a diagram to summarize how to use the right-hand rule to determine the direction of the magnetic force on each type
    11·2 answers
  • Help with the two questions above? Correct answers?
    7·1 answer
  • What is meant by resistance
    7·2 answers
  • A spring is stretched from x=0 to x=d, where x=0 is the equilibrium position of the spring. It is then compressed from x=0 to x=
    12·1 answer
  • Chemical reactions provide support for the law of conservation of matter because which of the following is true about the atoms
    10·1 answer
  • A pendulum with a length of 1 meter is released from an initial angle of 15.0° after 1000s its amplitude has been reduced by fri
    6·1 answer
  • Please Help me to find out the answer..​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!